Ultra-high sensitivity in a photonic crystal superprism due to the curvature singularity of a dispersion surface

Weiwei Song, Jun Tan, R. Integlia, Lianghong Yin, Wei Jiang
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引用次数: 1

Abstract

A superprism structure is shown to achieve refractive index sensitivity 3×104deg/RIU with low optical loss. The sensitivity is drastically larger than previously reported values and is not due to slow light effect at a bandedge.
由于色散表面的曲率奇异性,使得光子晶体超棱镜具有超高的灵敏度
采用超棱镜结构,折射率灵敏度为3×104deg/RIU,光学损耗低。灵敏度比以前报道的值大得多,不是由于在光带处的慢光效应。
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